/****************************************************************************
 *
 * Copyright (C) 2003-2008 Los Alamos National Security, LLC
 *                         Packet Analytics Corporation
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License Version 2 as
 * published by the Free Software Foundation.  You may not use, modify or
 * distribute this program under any other version of the GNU General
 * Public License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 ****************************************************************************/
package nfse.query;

import java.util.Calendar;
import java.util.GregorianCalendar;
import java.sql.Timestamp;

/**
 * @author bduphoff
 * 
 * TODO To change the template for this generated type comment go to Window -
 * Preferences - Java - Code Style - Code Templates
 */
public class TimestampRange {
    public Timestamp startTS = null;

    public Timestamp endTS = null;

    public static TimestampRange generate(String startTS, String endTS) throws Exception {
        TimestampRange tsr = new TimestampRange();
        String[] timestampTokens = startTS.split(" ");
        String[] tokens = timestampTokens[0].split("-");
        GregorianCalendar cal = new GregorianCalendar(Integer.parseInt(tokens[0]), Integer.parseInt(tokens[1]) - 1,
                Integer.parseInt(tokens[2]));
        if (timestampTokens.length == 2) {
            // There is a start times, should be 24HH:MM:SS
            String[] tokens2 = timestampTokens[1].split(":");
            cal.set(Calendar.HOUR_OF_DAY, Integer.parseInt(tokens2[0]));
            cal.set(Calendar.MINUTE, Integer.parseInt(tokens2[1]));
            int idx = tokens2[2].indexOf(".");
            if (idx == -1)
                cal.set(Calendar.SECOND, Integer.parseInt(tokens2[2]));
            else
                cal.set(Calendar.SECOND, Integer.parseInt(tokens2[2].substring(0, idx)));
            cal.set(Calendar.MILLISECOND, 0);
        } else {

            cal.set(Calendar.HOUR_OF_DAY, 0);
            cal.set(Calendar.MINUTE, 0);
            cal.set(Calendar.SECOND, 0);
            cal.set(Calendar.MILLISECOND, 0);

        }
        tsr.startTS = new Timestamp(cal.getTimeInMillis());

        if (endTS != null) {
            timestampTokens = endTS.split(" ");
            tokens = timestampTokens[0].split("-");
            cal = new GregorianCalendar(Integer.parseInt(tokens[0]), Integer.parseInt(tokens[1]) - 1, Integer
                    .parseInt(tokens[2]));
            if (timestampTokens.length == 2) {
                // There is a start times, should be 24HH:MM:SS
                String[] tokens2 = timestampTokens[1].split(":");
                cal.set(Calendar.HOUR_OF_DAY, Integer.parseInt(tokens2[0]));
                cal.set(Calendar.MINUTE, Integer.parseInt(tokens2[1]));
                int idx = tokens2[2].indexOf(".");
                if (idx == -1)
                    cal.set(Calendar.SECOND, Integer.parseInt(tokens2[2]));
                else
                    cal.set(Calendar.SECOND, Integer.parseInt(tokens2[2].substring(0, idx)));

                cal.set(Calendar.MILLISECOND, 999);
            } else {

                cal.set(Calendar.HOUR_OF_DAY, 23);
                cal.set(Calendar.MINUTE, 59);
                cal.set(Calendar.SECOND, 59);
                cal.set(Calendar.MILLISECOND, 999);

            }
            tsr.endTS = new Timestamp(cal.getTimeInMillis());
        } else { // There is no end TS, set to the end of the day
            cal.set(Calendar.HOUR_OF_DAY, 0);
            cal.set(Calendar.MINUTE, 0);
            cal.set(Calendar.SECOND, 0);
            cal.set(Calendar.MILLISECOND, 0);
            cal.add(Calendar.DAY_OF_MONTH, 1);
            cal.add(Calendar.MILLISECOND, -1);
            tsr.endTS = new Timestamp(cal.getTimeInMillis());
        }
        return tsr;
    }

    public String toXML() {
        return "<Timestamp start=\"" + startTS + "\" end=\"" + endTS + "\"/>";
    }

}